package demo3;
/*
alt + enter
 */
public class KeyBoard implements IUSB {
    @Override
    public void openDevice() {
        System.out.println("打开键盘");

    }

    @Override
    public void closeDevice() {
        System.out.println("关闭键盘");

    }
    public static void inPut() {
        System.out.println("键盘输入");
    }
}
